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Analog Current Input Accuracy:±1% of full scale
Fuse Model:215-02.5
Ingress Protection:IP40 front, IP10 back
Maximum Altitude:2000 m
Overvoltage Category:II
RTD Inputs Isolation:36 Vpk (isolated with analog inputs and outputs)
Sinusoidal Vibration Test Level:Class 1
Underfrequency Pickup Accuracy:±0.02 Hz
Tachometer Duty Cycle:> 10%
Trip Coil Supervision:Trickle Current 2 to 5 mA
Voltage Phase Reversal Configuration:ACB or ABC
Production Tests Dielectric Strength:1.9 kV AC for 1 second or 1.6 kV AC for one minute, per UL 508
Shipping Weight:7.7 kg or 17 lbs
Operating Temperature Range:-40 to 60°C
Thermal Model Curve:Phase Unbalance, Hot/Cold Curve Ratio, Stator
Digital Inputs:489 Sensor Supply 24 V DC at 20 mA max
Sequential Trip Configurable:Assignable to Digital Inputs 1 to 7
Analog Current Output Isolation:36 Vpk (isolated with RTDs and analog inputs)
The GE SR489-P5-HI-A20-E is a generator management relay meticulously engineered for robust performance in industrial settings. Its core feature is its high accuracy in analog current input, ensuring precise measurement and control of power generation systems. With an ingress protection rating of IP40 front and IP10 back, it is well-suited for harsh environments. Designed for reliability, this relay includes advanced protection mechanisms like trip coil supervision and tachometer duty cycle greater than 10%, making it ideal for critical applications where downtime is unacceptable. The SR489-P5-HI-A20-E is equipped with comprehensive digital inputs and configurable sequential trips, enhancing its versatility and adaptability to various operational requirements. Additionally, it supports efficient thermal modeling with phase unbalance, hot/cold curve ratio, and stator, providing a complete solution for motor management and protection. The user-friendly interface and compatibility with the Enervista 489PC software allow for easy programming and interaction from a PC, streamlining maintenance and system integration processes.
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